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计算:(x2n-2xnyn+y2n)÷(xn-yn)(n为正整数)=.

题目详情
计算:(x2n-2xnyn+y2n)÷(xn-yn)(n为正整数)=______.
▼优质解答
答案和解析
(x2n-2xnyn+y2n)÷(xn-yn
=(xn-yn2÷(xn-yn
=xn-yn
故应填:xn-yn